ZIP 98819 · Washington · Nov 11, 2026

Soil temperature for ZIP code 98819

44°Faverage today, 0–4 in deep (modelled)
low 42°F · high 46°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.9 km from the ZIP centre point

On a week ago
4° warmer
40°F on Nov 4
5-day mean
41°F
what the verdicts use
Held 55°F last spring
May 3
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedToo cold
  • TomatoesToo cold
  • Peas and lettuceWarm enough

From the 5-day mean of the modelled 0–4 in layer.

Soil temperature, 0–4 in: last 7 days and next 7

°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1640°44°37°
View as table
DayAverageLowHigh
Nov 439.7°F37.7°F42.9°Fanalysis
Nov 540.2°F38.8°F43.4°Fanalysis
Nov 640.2°F39.3°F41.1°Fanalysis
Nov 739.5°F37.7°F42.7°Fanalysis
Nov 842.5°F41.1°F45.5°Fanalysis
Nov 940.6°F39.1°F42.2°Fanalysis
Nov 1041.2°F40.0°F42.5°Fanalysis
Today43.5°F42.2°F46.4°Fanalysis
Nov 1243.5°F42.0°F45.9°Fforecast
Nov 1344.1°F42.0°F48.3°Fforecast
Nov 1444.6°F43.2°F46.3°Fforecast
Nov 1540.5°F39.7°F41.5°Fforecast
Nov 1640.6°F39.8°F42.6°Fforecast
Nov 1737.0°F35.2°F38.3°Fforecast
Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, run Nov 11, 12:00 UTC (7 am Eastern).

Spring 2026 threshold dates

From the 5-day mean held for 10 days or more.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceApr 5
50°FPre-emergent window opensMay 1
55°FCrabgrass can germinateMay 3
60°FTomatoesJun 15
65°FWarm-season grass seednot reached

Nearby ZIP codes

Today's modelled average.

98862 41°F · 98827 42°F · 98849 47°F · 98829 45°F · 98840 48°F · 98856 40°F · 98855 45°F · 98841 44°F

More: crabgrass timing in Washington · every Washington city · how accurate the model is.

Questions

What is the soil temperature in ZIP code 98819 today?
About 44°F on average in the top 4 inches (0–10 cm), low 42°F and high 46°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 10.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 98819?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 1 and 55°F from May 3.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).